@misc{indiciae1434e84cdbbb,
  title = {Generalized geologic map of the eastern part of southern Alaska},
  author = {Helen M. Beikman and C. D. Holloway and E. M. MacKevett},
  year = {1977},
  doi = {10.3133/ofr77169b},
  url = {https://pubs.usgs.gov/publication/ofr77169B},
  note = {Source identifier: ofr77169B}
}